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Helga [31]
3 years ago
12

Whyis the hepatic portalportal veinunique ?​

Biology
1 answer:
LiRa [457]3 years ago
7 0

Answer:

Blood flow to the liver is unique in that it receives both oxygenated and (partially) deoxygenated blood. As a result, the partial gas pressure of oxygen (pO2) and perfusion pressure of portal blood are lower than in other organs of the body.

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Analogous structures _____.
charle [14.2K]

if you are looking for the definition it is: Various structures in different species having the same function but have evolved separately.

Examples: wings of an insect and birds used for flying.    

Hope this helped :)

Have a great day

4 0
3 years ago
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Which protist is characterized by a pseudopod?
SVETLANKA909090 [29]
It seems that you haven't attached the given options for this question, but I hope this answer will help you find the correct answer. When we say protist, these are the organisms that are classified in the kingdom Protista. A pseudopod is <span>an extension of the plasma membrane by which certain cells locomote and engulf prey. An example for this organism would be amoebas. Hope this helps.</span>
5 0
3 years ago
A helium balloon rises because helium is ____ dense than air​
Kazeer [188]

Answer: A helium balloon rises because helium is less dense than air. A balloon filled with regular air, however, is denser than the surrounding air because the air inside it is under pressure.

Explanation: i looked it up for you so i could make sure it was right for you hope this helps!!!!!!!!!!!

6 0
3 years ago
Vegetations are associated with which of the following disease processes?A. endocarditisB. plagueC. septicemiaD. tularemiaE. tox
mariarad [96]

Answer: A. endocarditis

Explanation:

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The most common site of injury, and therefore the most frequent site of vegetation formation, is at the closing line of a valve, usually on the atrial surface of the atrioventricular valves or on the ventricular surface of the ventriculoarterial valves. With the endothelial lesion occurs the formation of a sterile thrombus, which can be colonized by bacteria that multiply there, turning the thrombus into vegetation. These vegetations are avascularized, making the treatment of endocarditis difficult due to the low access of antibiotics to microorganisms.

5 0
4 years ago
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Mnenie [13.5K]

biomass = producers ..

7 0
3 years ago
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